At Tetra Tech, we are collaborating with industry-leading experts for a sustainable future for our world. We combine consulting and engineering with advanced analytics and technology to solve the world's most complex challenges. Our innovation hubs across the globe will enable you to share ideas and best practices while growing your professional network. Wherever you are in your career journey, you will benefit from working with world-class engineers, scientists, and technical specialists. Management Systems International (MSI), a Tetra Tech Company, is a Washington, D.C. metro area management consultancy with a 40-year history of delivering results for our clients. Our expertise is in the fields of monitoring and evaluation; democracy and governance; peace and stability; rule of law and accountability; education; strategic communications; and leadership and organizational development. MSI has implemented projects in 90 countries around the world including Colombia, Indonesia, Jordan, Kenya, Mexico, Nigeria, Pakistan, Syria and Ukraine. We support clients ranging from the U.S. Government to large bilateral and multilateral donors. The Office of the Under Secretary of Defense for Acquisition and Sustainment (OUSD(A&S)) is responsible for leading the U.S. Department of Defense's efforts related to various critical areas. To accomplish this mission, OUSD(A&S) requires administrative, analytical, and strategic communication support services.